Guiding properties of proton-implanted Nd
3+
-doped phosphate glass waveguides
Zhu Qi-Feng
1
, Wang Yue
1
, Shen Jian-Ping
1
, Guo Hai-Tao
2
, Liu Chun-Xiao
1, †
(color online) Schematic for the end-face coupling measurement.